Intoxalock
Depends
Confidence: Medium
If your state or court mandates an interlock and Intoxalock is your only approved vendor, you have no choice.
New check
Comparison
Intoxalock and Smart Start both land on Depends.
If your state or court mandates an interlock and Intoxalock is your only approved vendor, you have no choice.
Buy only if a court, DMV, or program requires an ignition interlock and Smart Start is an approved vendor in your state . then compare its full quote against rivals first.
| Compare | Intoxalock | Smart Start |
|---|---|---|
| Verdict | Depends | Depends |
| Best for | Drivers court- or DMV-ordered to install an IID | Court- or DMV-mandated interlock users |
| Who it's not for | Anyone not legally required to have an interlock . this is compliance equipment | Anyone without a court or DMV interlock requirement |
| Privacy | Damaged: a March 2026 cyberattack took Intoxalock's systems down for ~48 hours, stranding drivers in up to 45 states; a class action was reported.⁵ | Publishes a product security page and a secure client portal; no known public vulnerabilities found in the sources reviewed. |
| Support quality | Widespread Reddit and Trustpilot service complaints | Staff praised, but billing disputes recur |
| Public sentiment | Reviews split sharply: Intoxalock's own pages show praise, while Reddit and Trustpilot skew negative on malfunctions, fees, and support. | Reviews are split: many customers praise staff and service, while a steady stream of complaints targets billing and confusing pricing.11 |
| Biggest gotcha | Base lease rates vary by state; installation, calibration, and removal are billed separately . get the full total in writing² | $1.99/day is a floor with an asterisk; ask about installation, removal, calibration, and monthly fees in writing. |